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e83c5163 LT |
1 | #ifndef CACHE_H |
2 | #define CACHE_H | |
3 | ||
4050c0df | 4 | #include "git-compat-util.h" |
5ecd293d | 5 | #include "strbuf.h" |
cf558704 | 6 | #include "hash.h" |
75194438 | 7 | #include "advice.h" |
65784830 | 8 | #include "gettext.h" |
d1bf0e08 | 9 | #include "convert.h" |
e83c5163 | 10 | |
cef661fc | 11 | #include SHA1_HEADER |
9126f009 NP |
12 | #ifndef git_SHA_CTX |
13 | #define git_SHA_CTX SHA_CTX | |
14 | #define git_SHA1_Init SHA1_Init | |
15 | #define git_SHA1_Update SHA1_Update | |
16 | #define git_SHA1_Final SHA1_Final | |
17 | #endif | |
e83c5163 | 18 | |
9126f009 | 19 | #include <zlib.h> |
ef49a7a0 JH |
20 | typedef struct git_zstream { |
21 | z_stream z; | |
22 | unsigned long avail_in; | |
23 | unsigned long avail_out; | |
24 | unsigned long total_in; | |
25 | unsigned long total_out; | |
26 | unsigned char *next_in; | |
27 | unsigned char *next_out; | |
28 | } git_zstream; | |
29 | ||
30 | void git_inflate_init(git_zstream *); | |
31 | void git_inflate_init_gzip_only(git_zstream *); | |
32 | void git_inflate_end(git_zstream *); | |
33 | int git_inflate(git_zstream *, int flush); | |
34 | ||
35 | void git_deflate_init(git_zstream *, int level); | |
36 | void git_deflate_init_gzip(git_zstream *, int level); | |
37 | void git_deflate_end(git_zstream *); | |
568508e7 | 38 | int git_deflate_abort(git_zstream *); |
ef49a7a0 JH |
39 | int git_deflate_end_gently(git_zstream *); |
40 | int git_deflate(git_zstream *, int flush); | |
41 | unsigned long git_deflate_bound(git_zstream *, unsigned long); | |
39c68542 | 42 | |
962554c6 | 43 | #if defined(DT_UNKNOWN) && !defined(NO_D_TYPE_IN_DIRENT) |
b6829693 ET |
44 | #define DTYPE(de) ((de)->d_type) |
45 | #else | |
0bdd79af JH |
46 | #undef DT_UNKNOWN |
47 | #undef DT_DIR | |
48 | #undef DT_REG | |
49 | #undef DT_LNK | |
b6829693 ET |
50 | #define DT_UNKNOWN 0 |
51 | #define DT_DIR 1 | |
52 | #define DT_REG 2 | |
a15c1c60 | 53 | #define DT_LNK 3 |
b6829693 ET |
54 | #define DTYPE(de) DT_UNKNOWN |
55 | #endif | |
56 | ||
40689ae1 MK |
57 | /* unknown mode (impossible combination S_IFIFO|S_IFCHR) */ |
58 | #define S_IFINVALID 0030000 | |
59 | ||
9eec4795 LT |
60 | /* |
61 | * A "directory link" is a link to another git directory. | |
62 | * | |
63 | * The value 0160000 is not normally a valid mode, and | |
64 | * also just happens to be S_IFDIR + S_IFLNK | |
65 | * | |
66 | * NOTE! We *really* shouldn't depend on the S_IFxxx macros | |
67 | * always having the same values everywhere. We should use | |
68 | * our internal git values for these things, and then we can | |
69 | * translate that to the OS-specific value. It just so | |
70 | * happens that everybody shares the same bit representation | |
71 | * in the UNIX world (and apparently wider too..) | |
72 | */ | |
302b9282 MW |
73 | #define S_IFGITLINK 0160000 |
74 | #define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK) | |
9eec4795 | 75 | |
2386d658 LT |
76 | /* |
77 | * Intensive research over the course of many years has shown that | |
78 | * port 9418 is totally unused by anything else. Or | |
79 | * | |
80 | * Your search - "port 9418" - did not match any documents. | |
81 | * | |
82 | * as www.google.com puts it. | |
ba8a4970 LT |
83 | * |
84 | * This port has been properly assigned for git use by IANA: | |
85 | * git (Assigned-9418) [I06-050728-0001]. | |
86 | * | |
87 | * git 9418/tcp git pack transfer service | |
88 | * git 9418/udp git pack transfer service | |
89 | * | |
90 | * with Linus Torvalds <torvalds@osdl.org> as the point of | |
91 | * contact. September 2005. | |
92 | * | |
93 | * See http://www.iana.org/assignments/port-numbers | |
2386d658 LT |
94 | */ |
95 | #define DEFAULT_GIT_PORT 9418 | |
96 | ||
e83c5163 LT |
97 | /* |
98 | * Basic data structures for the directory cache | |
e83c5163 LT |
99 | */ |
100 | ||
101 | #define CACHE_SIGNATURE 0x44495243 /* "DIRC" */ | |
102 | struct cache_header { | |
ccc4feb5 LT |
103 | unsigned int hdr_signature; |
104 | unsigned int hdr_version; | |
105 | unsigned int hdr_entries; | |
e83c5163 LT |
106 | }; |
107 | ||
108 | /* | |
109 | * The "cache_time" is just the low 32 bits of the | |
110 | * time. It doesn't matter if it overflows - we only | |
111 | * check it for equality in the 32 bits we save. | |
112 | */ | |
113 | struct cache_time { | |
114 | unsigned int sec; | |
115 | unsigned int nsec; | |
116 | }; | |
117 | ||
e83c5163 | 118 | struct cache_entry { |
fba2f38a KB |
119 | struct cache_time ce_ctime; |
120 | struct cache_time ce_mtime; | |
ccc4feb5 LT |
121 | unsigned int ce_dev; |
122 | unsigned int ce_ino; | |
123 | unsigned int ce_mode; | |
124 | unsigned int ce_uid; | |
125 | unsigned int ce_gid; | |
126 | unsigned int ce_size; | |
7a51ed66 | 127 | unsigned int ce_flags; |
e83c5163 | 128 | unsigned char sha1[20]; |
eb7a2f1d | 129 | struct cache_entry *next; |
2548183b | 130 | struct cache_entry *dir_next; |
8f1d2e6f | 131 | char name[FLEX_ARRAY]; /* more */ |
e83c5163 LT |
132 | }; |
133 | ||
95fd5bf8 LT |
134 | #define CE_NAMEMASK (0x0fff) |
135 | #define CE_STAGEMASK (0x3000) | |
16ce2e4c | 136 | #define CE_EXTENDED (0x4000) |
5f73076c | 137 | #define CE_VALID (0x8000) |
aee46198 | 138 | #define CE_STAGESHIFT 12 |
95fd5bf8 | 139 | |
06aaaa0b NTND |
140 | /* |
141 | * Range 0xFFFF0000 in ce_flags is divided into | |
142 | * two parts: in-memory flags and on-disk ones. | |
143 | * Flags in CE_EXTENDED_FLAGS will get saved on-disk | |
144 | * if you want to save a new flag, add it in | |
145 | * CE_EXTENDED_FLAGS | |
146 | * | |
147 | * In-memory only flags | |
148 | */ | |
2977ffbb NTND |
149 | #define CE_UPDATE (1 << 16) |
150 | #define CE_REMOVE (1 << 17) | |
151 | #define CE_UPTODATE (1 << 18) | |
152 | #define CE_ADDED (1 << 19) | |
a22c6371 | 153 | |
2977ffbb NTND |
154 | #define CE_HASHED (1 << 20) |
155 | #define CE_UNHASHED (1 << 21) | |
156 | #define CE_WT_REMOVE (1 << 22) /* remove in work directory */ | |
157 | #define CE_CONFLICTED (1 << 23) | |
7a51ed66 | 158 | |
2977ffbb | 159 | #define CE_UNPACKED (1 << 24) |
2431afbf | 160 | #define CE_NEW_SKIP_WORKTREE (1 << 25) |
da165f47 | 161 | |
06aaaa0b NTND |
162 | /* |
163 | * Extended on-disk flags | |
164 | */ | |
2977ffbb NTND |
165 | #define CE_INTENT_TO_ADD (1 << 29) |
166 | #define CE_SKIP_WORKTREE (1 << 30) | |
06aaaa0b | 167 | /* CE_EXTENDED2 is for future extension */ |
2977ffbb | 168 | #define CE_EXTENDED2 (1 << 31) |
06aaaa0b | 169 | |
44a36913 | 170 | #define CE_EXTENDED_FLAGS (CE_INTENT_TO_ADD | CE_SKIP_WORKTREE) |
06aaaa0b NTND |
171 | |
172 | /* | |
173 | * Safeguard to avoid saving wrong flags: | |
174 | * - CE_EXTENDED2 won't get saved until its semantic is known | |
175 | * - Bits in 0x0000FFFF have been saved in ce_flags already | |
176 | * - Bits in 0x003F0000 are currently in-memory flags | |
177 | */ | |
178 | #if CE_EXTENDED_FLAGS & 0x803FFFFF | |
179 | #error "CE_EXTENDED_FLAGS out of range" | |
180 | #endif | |
181 | ||
eb7a2f1d LT |
182 | /* |
183 | * Copy the sha1 and stat state of a cache entry from one to | |
184 | * another. But we never change the name, or the hash state! | |
185 | */ | |
186 | #define CE_STATE_MASK (CE_HASHED | CE_UNHASHED) | |
187 | static inline void copy_cache_entry(struct cache_entry *dst, struct cache_entry *src) | |
188 | { | |
189 | unsigned int state = dst->ce_flags & CE_STATE_MASK; | |
190 | ||
191 | /* Don't copy hash chain and name */ | |
192 | memcpy(dst, src, offsetof(struct cache_entry, next)); | |
193 | ||
194 | /* Restore the hash state */ | |
195 | dst->ce_flags = (dst->ce_flags & ~CE_STATE_MASK) | state; | |
196 | } | |
197 | ||
7fec10b7 JH |
198 | static inline unsigned create_ce_flags(size_t len, unsigned stage) |
199 | { | |
200 | if (len >= CE_NAMEMASK) | |
201 | len = CE_NAMEMASK; | |
202 | return (len | (stage << CE_STAGESHIFT)); | |
203 | } | |
204 | ||
205 | static inline size_t ce_namelen(const struct cache_entry *ce) | |
206 | { | |
207 | size_t len = ce->ce_flags & CE_NAMEMASK; | |
208 | if (len < CE_NAMEMASK) | |
209 | return len; | |
210 | return strlen(ce->name + CE_NAMEMASK) + CE_NAMEMASK; | |
211 | } | |
212 | ||
aee46198 | 213 | #define ce_size(ce) cache_entry_size(ce_namelen(ce)) |
7a51ed66 | 214 | #define ce_stage(ce) ((CE_STAGEMASK & (ce)->ce_flags) >> CE_STAGESHIFT) |
eadb5831 | 215 | #define ce_uptodate(ce) ((ce)->ce_flags & CE_UPTODATE) |
44a36913 | 216 | #define ce_skip_worktree(ce) ((ce)->ce_flags & CE_SKIP_WORKTREE) |
eadb5831 | 217 | #define ce_mark_uptodate(ce) ((ce)->ce_flags |= CE_UPTODATE) |
aee46198 | 218 | |
e4479470 | 219 | #define ce_permissions(mode) (((mode) & 0100) ? 0755 : 0644) |
8ae0a8c5 KS |
220 | static inline unsigned int create_ce_mode(unsigned int mode) |
221 | { | |
8ae0a8c5 | 222 | if (S_ISLNK(mode)) |
7a51ed66 | 223 | return S_IFLNK; |
302b9282 | 224 | if (S_ISDIR(mode) || S_ISGITLINK(mode)) |
7a51ed66 LT |
225 | return S_IFGITLINK; |
226 | return S_IFREG | ce_permissions(mode); | |
8ae0a8c5 | 227 | } |
185c975f JH |
228 | static inline unsigned int ce_mode_from_stat(struct cache_entry *ce, unsigned int mode) |
229 | { | |
78a8d641 JS |
230 | extern int trust_executable_bit, has_symlinks; |
231 | if (!has_symlinks && S_ISREG(mode) && | |
7a51ed66 | 232 | ce && S_ISLNK(ce->ce_mode)) |
78a8d641 | 233 | return ce->ce_mode; |
185c975f | 234 | if (!trust_executable_bit && S_ISREG(mode)) { |
7a51ed66 | 235 | if (ce && S_ISREG(ce->ce_mode)) |
185c975f JH |
236 | return ce->ce_mode; |
237 | return create_ce_mode(0666); | |
238 | } | |
239 | return create_ce_mode(mode); | |
240 | } | |
d6b8fc30 JH |
241 | static inline int ce_to_dtype(const struct cache_entry *ce) |
242 | { | |
243 | unsigned ce_mode = ntohl(ce->ce_mode); | |
244 | if (S_ISREG(ce_mode)) | |
245 | return DT_REG; | |
246 | else if (S_ISDIR(ce_mode) || S_ISGITLINK(ce_mode)) | |
247 | return DT_DIR; | |
248 | else if (S_ISLNK(ce_mode)) | |
249 | return DT_LNK; | |
250 | else | |
251 | return DT_UNKNOWN; | |
252 | } | |
b90d9b88 RS |
253 | static inline unsigned int canon_mode(unsigned int mode) |
254 | { | |
255 | if (S_ISREG(mode)) | |
256 | return S_IFREG | ce_permissions(mode); | |
257 | if (S_ISLNK(mode)) | |
258 | return S_IFLNK; | |
259 | if (S_ISDIR(mode)) | |
260 | return S_IFDIR; | |
261 | return S_IFGITLINK; | |
262 | } | |
e4479470 | 263 | |
ee7825b5 | 264 | #define cache_entry_size(len) (offsetof(struct cache_entry,name) + (len) + 1) |
f5cabd13 | 265 | |
228e94f9 JH |
266 | struct index_state { |
267 | struct cache_entry **cache; | |
268 | unsigned int cache_nr, cache_alloc, cache_changed; | |
cfc5789a | 269 | struct string_list *resolve_undo; |
228e94f9 | 270 | struct cache_tree *cache_tree; |
fba2f38a | 271 | struct cache_time timestamp; |
913e0e99 JH |
272 | unsigned name_hash_initialized : 1, |
273 | initialized : 1; | |
cf558704 | 274 | struct hash_table name_hash; |
228e94f9 JH |
275 | }; |
276 | ||
277 | extern struct index_state the_index; | |
278 | ||
96872bc2 LT |
279 | /* Name hashing */ |
280 | extern void add_name_hash(struct index_state *istate, struct cache_entry *ce); | |
281 | /* | |
282 | * We don't actually *remove* it, we can just mark it invalid so that | |
283 | * we won't find it in lookups. | |
284 | * | |
285 | * Not only would we have to search the lists (simple enough), but | |
286 | * we'd also have to rehash other hash buckets in case this makes the | |
287 | * hash bucket empty (common). So it's much better to just mark | |
288 | * it. | |
289 | */ | |
290 | static inline void remove_name_hash(struct cache_entry *ce) | |
291 | { | |
292 | ce->ce_flags |= CE_UNHASHED; | |
293 | } | |
294 | ||
295 | ||
4aab5b46 | 296 | #ifndef NO_THE_INDEX_COMPATIBILITY_MACROS |
228e94f9 JH |
297 | #define active_cache (the_index.cache) |
298 | #define active_nr (the_index.cache_nr) | |
299 | #define active_alloc (the_index.cache_alloc) | |
300 | #define active_cache_changed (the_index.cache_changed) | |
301 | #define active_cache_tree (the_index.cache_tree) | |
e83c5163 | 302 | |
4aab5b46 JH |
303 | #define read_cache() read_index(&the_index) |
304 | #define read_cache_from(path) read_index_from(&the_index, (path)) | |
671c9b7e | 305 | #define read_cache_preload(pathspec) read_index_preload(&the_index, (pathspec)) |
fa7b3c2f | 306 | #define is_cache_unborn() is_index_unborn(&the_index) |
e46bbcf6 | 307 | #define read_cache_unmerged() read_index_unmerged(&the_index) |
4aab5b46 JH |
308 | #define write_cache(newfd, cache, entries) write_index(&the_index, (newfd)) |
309 | #define discard_cache() discard_index(&the_index) | |
94a5728c | 310 | #define unmerged_cache() unmerged_index(&the_index) |
4aab5b46 JH |
311 | #define cache_name_pos(name, namelen) index_name_pos(&the_index,(name),(namelen)) |
312 | #define add_cache_entry(ce, option) add_index_entry(&the_index, (ce), (option)) | |
81dc2307 | 313 | #define rename_cache_entry_at(pos, new_name) rename_index_entry_at(&the_index, (pos), (new_name)) |
4aab5b46 JH |
314 | #define remove_cache_entry_at(pos) remove_index_entry_at(&the_index, (pos)) |
315 | #define remove_file_from_cache(path) remove_file_from_index(&the_index, (path)) | |
38ed1d89 JH |
316 | #define add_to_cache(path, st, flags) add_to_index(&the_index, (path), (st), (flags)) |
317 | #define add_file_to_cache(path, flags) add_file_to_index(&the_index, (path), (flags)) | |
3deffc52 | 318 | #define refresh_cache(flags) refresh_index(&the_index, (flags), NULL, NULL, NULL) |
4bd5b7da JH |
319 | #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) |
320 | #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) | |
cd2fef59 | 321 | #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) |
98fa4738 | 322 | #define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) |
cfc5789a | 323 | #define resolve_undo_clear() resolve_undo_clear_index(&the_index) |
8aa38563 | 324 | #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at) |
4421a823 | 325 | #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec) |
4aab5b46 | 326 | #endif |
e83c5163 | 327 | |
edaec3fb JH |
328 | enum object_type { |
329 | OBJ_BAD = -1, | |
330 | OBJ_NONE = 0, | |
331 | OBJ_COMMIT = 1, | |
332 | OBJ_TREE = 2, | |
333 | OBJ_BLOB = 3, | |
334 | OBJ_TAG = 4, | |
335 | /* 5 for future expansion */ | |
336 | OBJ_OFS_DELTA = 6, | |
337 | OBJ_REF_DELTA = 7, | |
355885d5 | 338 | OBJ_ANY, |
4b05548f | 339 | OBJ_MAX |
edaec3fb JH |
340 | }; |
341 | ||
b45563a2 JH |
342 | static inline enum object_type object_type(unsigned int mode) |
343 | { | |
344 | return S_ISDIR(mode) ? OBJ_TREE : | |
345 | S_ISGITLINK(mode) ? OBJ_COMMIT : | |
346 | OBJ_BLOB; | |
347 | } | |
348 | ||
8ac069ac | 349 | #define GIT_DIR_ENVIRONMENT "GIT_DIR" |
a1bea2c1 | 350 | #define GIT_NAMESPACE_ENVIRONMENT "GIT_NAMESPACE" |
892c41b9 | 351 | #define GIT_WORK_TREE_ENVIRONMENT "GIT_WORK_TREE" |
8ac069ac | 352 | #define DEFAULT_GIT_DIR_ENVIRONMENT ".git" |
d19938ab | 353 | #define DB_ENVIRONMENT "GIT_OBJECT_DIRECTORY" |
bb233d69 | 354 | #define INDEX_ENVIRONMENT "GIT_INDEX_FILE" |
5da5c8f4 | 355 | #define GRAFT_ENVIRONMENT "GIT_GRAFT_FILE" |
d4ebc36c JH |
356 | #define TEMPLATE_DIR_ENVIRONMENT "GIT_TEMPLATE_DIR" |
357 | #define CONFIG_ENVIRONMENT "GIT_CONFIG" | |
2b64fc89 | 358 | #define CONFIG_DATA_ENVIRONMENT "GIT_CONFIG_PARAMETERS" |
d4ebc36c | 359 | #define EXEC_PATH_ENVIRONMENT "GIT_EXEC_PATH" |
0454dd93 | 360 | #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" |
6476b38b | 361 | #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" |
d0bfd026 JH |
362 | #define GITATTRIBUTES_FILE ".gitattributes" |
363 | #define INFOATTRIBUTES_FILE "info/attributes" | |
f48fd688 | 364 | #define ATTRIBUTE_MACRO_PREFIX "[attr]" |
a97a7468 JS |
365 | #define GIT_NOTES_REF_ENVIRONMENT "GIT_NOTES_REF" |
366 | #define GIT_NOTES_DEFAULT_REF "refs/notes/commits" | |
894a9d33 | 367 | #define GIT_NOTES_DISPLAY_REF_ENVIRONMENT "GIT_NOTES_DISPLAY_REF" |
6956f858 TR |
368 | #define GIT_NOTES_REWRITE_REF_ENVIRONMENT "GIT_NOTES_REWRITE_REF" |
369 | #define GIT_NOTES_REWRITE_MODE_ENVIRONMENT "GIT_NOTES_REWRITE_MODE" | |
bb233d69 | 370 | |
48a7c1c4 GB |
371 | /* |
372 | * Repository-local GIT_* environment variables | |
373 | * The array is NULL-terminated to simplify its usage in contexts such | |
374 | * environment creation or simple walk of the list. | |
375 | * The number of non-NULL entries is available as a macro. | |
376 | */ | |
655e8d9c | 377 | #define LOCAL_REPO_ENV_SIZE 9 |
48a7c1c4 GB |
378 | extern const char *const local_repo_env[LOCAL_REPO_ENV_SIZE + 1]; |
379 | ||
7d1864ce JH |
380 | extern int is_bare_repository_cfg; |
381 | extern int is_bare_repository(void); | |
68025633 | 382 | extern int is_inside_git_dir(void); |
e90fdc39 | 383 | extern char *git_work_tree_cfg; |
892c41b9 | 384 | extern int is_inside_work_tree(void); |
d2b0708e | 385 | extern int have_git_dir(void); |
c5fba16c | 386 | extern const char *get_git_dir(void); |
b3256eb8 | 387 | extern int is_git_directory(const char *path); |
8ac069ac JH |
388 | extern char *get_object_directory(void); |
389 | extern char *get_index_file(void); | |
5da5c8f4 | 390 | extern char *get_graft_file(void); |
d7ac12b2 | 391 | extern int set_git_dir(const char *path); |
a1bea2c1 JT |
392 | extern const char *get_git_namespace(void); |
393 | extern const char *strip_namespace(const char *namespaced_ref); | |
e90fdc39 | 394 | extern const char *get_git_work_tree(void); |
13d6ec91 | 395 | extern const char *read_gitfile(const char *path); |
abc06822 | 396 | extern const char *resolve_gitdir(const char *suspect); |
19757d80 | 397 | extern void set_git_work_tree(const char *tree); |
8ac069ac JH |
398 | |
399 | #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES" | |
bb233d69 | 400 | |
6b5ee137 | 401 | extern const char **get_pathspec(const char *prefix, const char **pathspec); |
59f0f2f3 | 402 | extern void setup_work_tree(void); |
4ca06608 | 403 | extern const char *setup_git_directory_gently(int *); |
d288a700 | 404 | extern const char *setup_git_directory(void); |
edc54fb5 | 405 | extern char *prefix_path(const char *prefix, int len, const char *path); |
4ca06608 | 406 | extern const char *prefix_filename(const char *prefix, int len, const char *path); |
c6e8c800 | 407 | extern int check_filename(const char *prefix, const char *name); |
e23d0b4a | 408 | extern void verify_filename(const char *prefix, const char *name); |
ea92f41f | 409 | extern void verify_non_filename(const char *prefix, const char *name); |
d288a700 | 410 | |
f225aeb2 DB |
411 | #define INIT_DB_QUIET 0x0001 |
412 | ||
b57fb80a | 413 | extern int set_git_dir_init(const char *git_dir, const char *real_git_dir, int); |
f225aeb2 DB |
414 | extern int init_db(const char *template_dir, unsigned int flags); |
415 | ||
e83c5163 LT |
416 | #define alloc_nr(x) (((x)+16)*3/2) |
417 | ||
6815e569 JK |
418 | /* |
419 | * Realloc the buffer pointed at by variable 'x' so that it can hold | |
420 | * at least 'nr' entries; the number of entries currently allocated | |
421 | * is 'alloc', using the standard growing factor alloc_nr() macro. | |
422 | * | |
01f6fd4b | 423 | * DO NOT USE any expression with side-effect for 'x', 'nr', or 'alloc'. |
6815e569 JK |
424 | */ |
425 | #define ALLOC_GROW(x, nr, alloc) \ | |
426 | do { \ | |
c927e6c6 | 427 | if ((nr) > alloc) { \ |
4234a761 JH |
428 | if (alloc_nr(alloc) < (nr)) \ |
429 | alloc = (nr); \ | |
430 | else \ | |
431 | alloc = alloc_nr(alloc); \ | |
6815e569 JK |
432 | x = xrealloc((x), alloc * sizeof(*(x))); \ |
433 | } \ | |
98746061 | 434 | } while (0) |
6815e569 | 435 | |
734aab75 | 436 | /* Initialize and use the cache information */ |
4aab5b46 | 437 | extern int read_index(struct index_state *); |
671c9b7e | 438 | extern int read_index_preload(struct index_state *, const char **pathspec); |
4aab5b46 | 439 | extern int read_index_from(struct index_state *, const char *path); |
fa7b3c2f | 440 | extern int is_index_unborn(struct index_state *); |
e46bbcf6 | 441 | extern int read_index_unmerged(struct index_state *); |
e1afca4f | 442 | extern int write_index(struct index_state *, int newfd); |
4aab5b46 | 443 | extern int discard_index(struct index_state *); |
d1f128b0 | 444 | extern int unmerged_index(const struct index_state *); |
8dcf39c4 | 445 | extern int verify_path(const char *path); |
cd2fef59 | 446 | extern struct cache_entry *index_name_exists(struct index_state *istate, const char *name, int namelen, int igncase); |
d1f128b0 | 447 | extern int index_name_pos(const struct index_state *, const char *name, int namelen); |
192268c1 JH |
448 | #define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */ |
449 | #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ | |
b155725d | 450 | #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ |
af3785dc | 451 | #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ |
39425819 | 452 | #define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ |
4aab5b46 | 453 | extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); |
81dc2307 | 454 | extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); |
4aab5b46 | 455 | extern int remove_index_entry_at(struct index_state *, int pos); |
36419c8e | 456 | extern void remove_marked_cache_entries(struct index_state *istate); |
4aab5b46 | 457 | extern int remove_file_from_index(struct index_state *, const char *path); |
38ed1d89 JH |
458 | #define ADD_CACHE_VERBOSE 1 |
459 | #define ADD_CACHE_PRETEND 2 | |
01665924 | 460 | #define ADD_CACHE_IGNORE_ERRORS 4 |
041aee31 | 461 | #define ADD_CACHE_IGNORE_REMOVAL 8 |
39425819 | 462 | #define ADD_CACHE_INTENT 16 |
38ed1d89 JH |
463 | extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); |
464 | extern int add_file_to_index(struct index_state *, const char *path, int flags); | |
6640f881 | 465 | extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); |
dbbce55b | 466 | extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); |
98fa4738 | 467 | extern int index_name_is_other(const struct index_state *, const char *, int); |
4bd5b7da JH |
468 | |
469 | /* do stat comparison even if CE_VALID is true */ | |
470 | #define CE_MATCH_IGNORE_VALID 01 | |
471 | /* do not check the contents but report dirty on racily-clean entries */ | |
56cac48c NTND |
472 | #define CE_MATCH_RACY_IS_DIRTY 02 |
473 | /* do stat comparison even if CE_SKIP_WORKTREE is true */ | |
474 | #define CE_MATCH_IGNORE_SKIP_WORKTREE 04 | |
d1f128b0 LT |
475 | extern int ie_match_stat(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); |
476 | extern int ie_modified(const struct index_state *, struct cache_entry *, struct stat *, unsigned int); | |
4bd5b7da | 477 | |
0602f3e9 NTND |
478 | struct pathspec { |
479 | const char **raw; /* get_pathspec() result, not freed by free_pathspec() */ | |
480 | int nr; | |
9ddf1726 JN |
481 | unsigned int has_wildcard:1; |
482 | unsigned int recursive:1; | |
bc96cc87 | 483 | int max_depth; |
0602f3e9 NTND |
484 | struct pathspec_item { |
485 | const char *match; | |
486 | int len; | |
33e0f62b | 487 | unsigned int use_wildcard:1; |
0602f3e9 NTND |
488 | } *items; |
489 | }; | |
490 | ||
491 | extern int init_pathspec(struct pathspec *, const char **); | |
492 | extern void free_pathspec(struct pathspec *); | |
eb9cb55b | 493 | extern int ce_path_match(const struct cache_entry *ce, const struct pathspec *pathspec); |
c4ce46fc JH |
494 | |
495 | #define HASH_WRITE_OBJECT 1 | |
496 | #define HASH_FORMAT_CHECK 2 | |
497 | extern int index_fd(unsigned char *sha1, int fd, struct stat *st, enum object_type type, const char *path, unsigned flags); | |
498 | extern int index_path(unsigned char *sha1, const char *path, struct stat *st, unsigned flags); | |
415e96c8 JH |
499 | extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); |
500 | ||
405e5b2f LT |
501 | #define REFRESH_REALLY 0x0001 /* ignore_valid */ |
502 | #define REFRESH_UNMERGED 0x0002 /* allow unmerged */ | |
503 | #define REFRESH_QUIET 0x0004 /* be quiet about it */ | |
504 | #define REFRESH_IGNORE_MISSING 0x0008 /* ignore non-existent */ | |
3f1b7b60 | 505 | #define REFRESH_IGNORE_SUBMODULES 0x0010 /* ignore submodules */ |
43673fdd | 506 | #define REFRESH_IN_PORCELAIN 0x0020 /* user friendly output, not "needs update" */ |
046613c5 | 507 | extern int refresh_index(struct index_state *, unsigned int flags, const char **pathspec, char *seen, const char *header_msg); |
405e5b2f | 508 | |
021b6e45 JH |
509 | struct lock_file { |
510 | struct lock_file *next; | |
4723ee99 | 511 | int fd; |
5e635e39 | 512 | pid_t owner; |
1084b845 | 513 | char on_list; |
021b6e45 | 514 | char filename[PATH_MAX]; |
415e96c8 | 515 | }; |
acd3b9ec JH |
516 | #define LOCK_DIE_ON_ERROR 1 |
517 | #define LOCK_NODEREF 2 | |
1b018fd9 | 518 | extern int unable_to_lock_error(const char *path, int err); |
e43a6fd3 | 519 | extern NORETURN void unable_to_lock_index_die(const char *path, int err); |
40aaae88 | 520 | extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); |
ea3cd5c7 | 521 | extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); |
021b6e45 | 522 | extern int commit_lock_file(struct lock_file *); |
ccdc4ec3 | 523 | extern void update_index_if_able(struct index_state *, struct lock_file *); |
30ca07a2 JH |
524 | |
525 | extern int hold_locked_index(struct lock_file *, int); | |
526 | extern int commit_locked_index(struct lock_file *); | |
5e7f56ac | 527 | extern void set_alternate_index_output(const char *); |
d6cf61bf | 528 | extern int close_lock_file(struct lock_file *); |
021b6e45 | 529 | extern void rollback_lock_file(struct lock_file *); |
eca35a25 | 530 | extern int delete_ref(const char *, const unsigned char *sha1, int delopt); |
734aab75 | 531 | |
2ae1c53b | 532 | /* Environment bits from configuration mechanism */ |
17712991 | 533 | extern int trust_executable_bit; |
1ce4790b | 534 | extern int trust_ctime; |
9378c161 | 535 | extern int quote_path_fully; |
78a8d641 | 536 | extern int has_symlinks; |
dce96489 | 537 | extern int minimum_abbrev, default_abbrev; |
0a9b88b7 | 538 | extern int ignore_case; |
5f73076c | 539 | extern int assume_unchanged; |
9f0bb90d | 540 | extern int prefer_symlink_refs; |
6de08ae6 | 541 | extern int log_all_ref_updates; |
2f8acdb3 | 542 | extern int warn_ambiguous_refs; |
457f06d6 | 543 | extern int shared_repository; |
2ae1c53b | 544 | extern const char *apply_default_whitespace; |
86c91f91 | 545 | extern const char *apply_default_ignorewhitespace; |
64589a03 | 546 | extern const char *git_attributes_file; |
12f6c308 | 547 | extern int zlib_compression_level; |
960ccca6 DH |
548 | extern int core_compression_level; |
549 | extern int core_compression_seen; | |
60bb8b14 | 550 | extern size_t packed_git_window_size; |
77ccc5bb | 551 | extern size_t packed_git_limit; |
18bdec11 | 552 | extern size_t delta_base_cache_limit; |
15366280 | 553 | extern unsigned long big_file_threshold; |
568508e7 | 554 | extern unsigned long pack_size_limit_cfg; |
dae556bd | 555 | extern int read_replace_refs; |
aafe9fba | 556 | extern int fsync_object_files; |
671c9b7e | 557 | extern int core_preload_index; |
08aefc9e | 558 | extern int core_apply_sparse_checkout; |
17712991 | 559 | |
9ed36cfa | 560 | enum branch_track { |
9188ed89 | 561 | BRANCH_TRACK_UNSPECIFIED = -1, |
9ed36cfa JS |
562 | BRANCH_TRACK_NEVER = 0, |
563 | BRANCH_TRACK_REMOTE, | |
564 | BRANCH_TRACK_ALWAYS, | |
565 | BRANCH_TRACK_EXPLICIT, | |
4b05548f | 566 | BRANCH_TRACK_OVERRIDE |
9ed36cfa JS |
567 | }; |
568 | ||
c998ae9b DS |
569 | enum rebase_setup_type { |
570 | AUTOREBASE_NEVER = 0, | |
571 | AUTOREBASE_LOCAL, | |
572 | AUTOREBASE_REMOTE, | |
4b05548f | 573 | AUTOREBASE_ALWAYS |
c998ae9b DS |
574 | }; |
575 | ||
52153747 | 576 | enum push_default_type { |
52153747 FAG |
577 | PUSH_DEFAULT_NOTHING = 0, |
578 | PUSH_DEFAULT_MATCHING, | |
53c40311 | 579 | PUSH_DEFAULT_UPSTREAM, |
4b05548f | 580 | PUSH_DEFAULT_CURRENT |
52153747 FAG |
581 | }; |
582 | ||
9ed36cfa | 583 | extern enum branch_track git_branch_track; |
c998ae9b | 584 | extern enum rebase_setup_type autorebase; |
52153747 | 585 | extern enum push_default_type push_default; |
9ed36cfa | 586 | |
348df166 JS |
587 | enum object_creation_mode { |
588 | OBJECT_CREATION_USES_HARDLINKS = 0, | |
4b05548f | 589 | OBJECT_CREATION_USES_RENAMES = 1 |
348df166 JS |
590 | }; |
591 | ||
592 | extern enum object_creation_mode object_creation_mode; | |
be66a6c4 | 593 | |
a97a7468 JS |
594 | extern char *notes_ref_name; |
595 | ||
7f3140cd JS |
596 | extern int grafts_replace_parents; |
597 | ||
ab9cb76f JH |
598 | #define GIT_REPO_VERSION 0 |
599 | extern int repository_format_version; | |
600 | extern int check_repository_format(void); | |
601 | ||
734aab75 LT |
602 | #define MTIME_CHANGED 0x0001 |
603 | #define CTIME_CHANGED 0x0002 | |
604 | #define OWNER_CHANGED 0x0004 | |
605 | #define MODE_CHANGED 0x0008 | |
606 | #define INODE_CHANGED 0x0010 | |
607 | #define DATA_CHANGED 0x0020 | |
8ae0a8c5 | 608 | #define TYPE_CHANGED 0x0040 |
e83c5163 | 609 | |
108bebea AR |
610 | extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) |
611 | __attribute__((format (printf, 3, 4))); | |
fe2d7776 AR |
612 | extern char *git_snpath(char *buf, size_t n, const char *fmt, ...) |
613 | __attribute__((format (printf, 3, 4))); | |
aba13e7c AR |
614 | extern char *git_pathdup(const char *fmt, ...) |
615 | __attribute__((format (printf, 1, 2))); | |
108bebea | 616 | |
e83c5163 | 617 | /* Return a statically allocated filename matching the sha1 signature */ |
4ec99bf0 TS |
618 | extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); |
619 | extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); | |
0bad611b HV |
620 | extern char *git_path_submodule(const char *path, const char *fmt, ...) |
621 | __attribute__((format (printf, 2, 3))); | |
622 | ||
73134b6d | 623 | extern char *sha1_file_name(const unsigned char *sha1); |
bf592c50 DB |
624 | extern char *sha1_pack_name(const unsigned char *sha1); |
625 | extern char *sha1_pack_index_name(const unsigned char *sha1); | |
013f276e | 626 | extern const char *find_unique_abbrev(const unsigned char *sha1, int); |
88cd621d | 627 | extern const unsigned char null_sha1[20]; |
1a812f3a IM |
628 | |
629 | static inline int hashcmp(const unsigned char *sha1, const unsigned char *sha2) | |
0bef57ee | 630 | { |
1a812f3a IM |
631 | int i; |
632 | ||
633 | for (i = 0; i < 20; i++, sha1++, sha2++) { | |
634 | if (*sha1 != *sha2) | |
635 | return *sha1 - *sha2; | |
636 | } | |
637 | ||
638 | return 0; | |
0bef57ee | 639 | } |
1a812f3a IM |
640 | |
641 | static inline int is_null_sha1(const unsigned char *sha1) | |
a89fccd2 | 642 | { |
1a812f3a | 643 | return !hashcmp(sha1, null_sha1); |
a89fccd2 | 644 | } |
1a812f3a | 645 | |
e702496e SP |
646 | static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src) |
647 | { | |
648 | memcpy(sha_dst, sha_src, 20); | |
649 | } | |
a8e0d16d JH |
650 | static inline void hashclr(unsigned char *hash) |
651 | { | |
652 | memset(hash, 0, 20); | |
653 | } | |
e83c5163 | 654 | |
14d9c578 JK |
655 | #define EMPTY_TREE_SHA1_HEX \ |
656 | "4b825dc642cb6eb9a060e54bf8d69288fbee4904" | |
dab0d410 | 657 | #define EMPTY_TREE_SHA1_BIN_LITERAL \ |
14d9c578 JK |
658 | "\x4b\x82\x5d\xc6\x42\xcb\x6e\xb9\xa0\x60" \ |
659 | "\xe5\x4b\xf8\xd6\x92\x88\xfb\xee\x49\x04" | |
dab0d410 JN |
660 | #define EMPTY_TREE_SHA1_BIN \ |
661 | ((const unsigned char *) EMPTY_TREE_SHA1_BIN_LITERAL) | |
14d9c578 | 662 | |
f2db68ed HE |
663 | int git_mkstemp(char *path, size_t n, const char *template); |
664 | ||
003b33a8 DA |
665 | int git_mkstemps(char *path, size_t n, const char *template, int suffix_len); |
666 | ||
b862b61c MM |
667 | /* set default permissions by passing mode arguments to open(2) */ |
668 | int git_mkstemps_mode(char *pattern, int suffix_len, int mode); | |
669 | int git_mkstemp_mode(char *pattern, int mode); | |
670 | ||
06cbe855 HO |
671 | /* |
672 | * NOTE NOTE NOTE!! | |
673 | * | |
674 | * PERM_UMASK, OLD_PERM_GROUP and OLD_PERM_EVERYBODY enumerations must | |
675 | * not be changed. Old repositories have core.sharedrepository written in | |
676 | * numeric format, and therefore these values are preserved for compatibility | |
677 | * reasons. | |
678 | */ | |
94df2506 | 679 | enum sharedrepo { |
06cbe855 HO |
680 | PERM_UMASK = 0, |
681 | OLD_PERM_GROUP = 1, | |
682 | OLD_PERM_EVERYBODY = 2, | |
683 | PERM_GROUP = 0660, | |
4b05548f | 684 | PERM_EVERYBODY = 0664 |
94df2506 JH |
685 | }; |
686 | int git_config_perm(const char *var, const char *value); | |
17e61b82 JH |
687 | int set_shared_perm(const char *path, int mode); |
688 | #define adjust_shared_perm(path) set_shared_perm((path), 0) | |
b2cb9425 | 689 | int safe_create_leading_directories(char *path); |
8e21d63b | 690 | int safe_create_leading_directories_const(const char *path); |
90a6464b | 691 | int mkdir_in_gitdir(const char *path); |
395de250 | 692 | extern char *expand_user_path(const char *path); |
1c64b48e | 693 | const char *enter_repo(const char *path, int strict); |
e5392c51 JS |
694 | static inline int is_absolute_path(const char *path) |
695 | { | |
88135203 | 696 | return is_dir_sep(path[0]) || has_dos_drive_prefix(path); |
e5392c51 | 697 | } |
90b4a71c | 698 | int is_directory(const char *); |
e2a57aac CMN |
699 | const char *real_path(const char *path); |
700 | const char *absolute_path(const char *path); | |
701 | const char *relative_path(const char *abs, const char *base); | |
f3cad0ad | 702 | int normalize_path_copy(char *dst, const char *src); |
0454dd93 | 703 | int longest_ancestor_length(const char *path, const char *prefix_list); |
4fcc86b0 | 704 | char *strip_path_suffix(const char *path, const char *suffix); |
34b6cb8b | 705 | int daemon_avoid_alias(const char *path); |
4bb43de2 | 706 | int offset_1st_component(const char *path); |
b2cb9425 | 707 | |
e1111cef | 708 | /* object replacement */ |
5bf29b95 JH |
709 | #define READ_SHA1_FILE_REPLACE 1 |
710 | extern void *read_sha1_file_extended(const unsigned char *sha1, enum object_type *type, unsigned long *size, unsigned flag); | |
f5552aee CC |
711 | static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) |
712 | { | |
5bf29b95 JH |
713 | return read_sha1_file_extended(sha1, type, size, READ_SHA1_FILE_REPLACE); |
714 | } | |
e1111cef JH |
715 | extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1); |
716 | static inline const unsigned char *lookup_replace_object(const unsigned char *sha1) | |
717 | { | |
718 | if (!read_replace_refs) | |
719 | return sha1; | |
720 | return do_lookup_replace_object(sha1); | |
f5552aee | 721 | } |
e1111cef | 722 | |
e83c5163 | 723 | /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ |
21666f1a | 724 | extern int sha1_object_info(const unsigned char *, unsigned long *); |
ce9fbf16 | 725 | extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1); |
c00e657d | 726 | extern int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *return_sha1); |
21666f1a | 727 | extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *); |
bbac7311 | 728 | extern int force_object_loose(const unsigned char *sha1, time_t mtime); |
f0270efd | 729 | extern void *map_sha1_file(const unsigned char *sha1, unsigned long *size); |
eb4f4076 | 730 | extern int unpack_sha1_header(git_zstream *stream, unsigned char *map, unsigned long mapsize, void *buffer, unsigned long bufsiz); |
f0270efd | 731 | extern int parse_sha1_header(const char *hdr, unsigned long *sizep); |
8237b185 | 732 | |
0e8189e2 NP |
733 | /* global flag to enable extra checks when accessing packed objects */ |
734 | extern int do_check_packed_object_crc; | |
735 | ||
5f44324d JH |
736 | /* for development: log offset of pack access */ |
737 | extern const char *log_pack_access; | |
738 | ||
5d6ccf5c | 739 | extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type); |
e83c5163 | 740 | |
839837b9 | 741 | extern int move_temp_to_file(const char *tmpfile, const char *filename); |
8237b185 | 742 | |
cd673c1f | 743 | extern int has_sha1_pack(const unsigned char *sha1); |
8237b185 | 744 | extern int has_sha1_file(const unsigned char *sha1); |
0f4dc14a | 745 | extern int has_loose_object_nonlocal(const unsigned char *sha1); |
8237b185 | 746 | |
bf592c50 DB |
747 | extern int has_pack_index(const unsigned char *sha1); |
748 | ||
40d52ff7 JK |
749 | extern void assert_sha1_type(const unsigned char *sha1, enum object_type expect); |
750 | ||
192a6be2 LT |
751 | extern const signed char hexval_table[256]; |
752 | static inline unsigned int hexval(unsigned char c) | |
e49521b5 JH |
753 | { |
754 | return hexval_table[c]; | |
755 | } | |
756 | ||
e83c5163 | 757 | /* Convert to/from hex/sha1 representation */ |
dce96489 LT |
758 | #define MINIMUM_ABBREV minimum_abbrev |
759 | #define DEFAULT_ABBREV default_abbrev | |
46a6c262 | 760 | |
573285e5 CP |
761 | struct object_context { |
762 | unsigned char tree[20]; | |
763 | char path[PATH_MAX]; | |
764 | unsigned mode; | |
765 | }; | |
766 | ||
3c249c95 | 767 | extern int get_sha1(const char *str, unsigned char *sha1); |
2e83b66c | 768 | extern int get_sha1_with_mode_1(const char *str, unsigned char *sha1, unsigned *mode, int only_to_die, const char *prefix); |
009fee47 MM |
769 | static inline int get_sha1_with_mode(const char *str, unsigned char *sha1, unsigned *mode) |
770 | { | |
2e83b66c | 771 | return get_sha1_with_mode_1(str, sha1, mode, 0, NULL); |
009fee47 | 772 | } |
2e83b66c | 773 | extern int get_sha1_with_context_1(const char *name, unsigned char *sha1, struct object_context *orc, int only_to_die, const char *prefix); |
573285e5 CP |
774 | static inline int get_sha1_with_context(const char *str, unsigned char *sha1, struct object_context *orc) |
775 | { | |
2e83b66c | 776 | return get_sha1_with_context_1(str, sha1, orc, 0, NULL); |
573285e5 | 777 | } |
d4e85a1a MH |
778 | |
779 | /* | |
780 | * Try to read a SHA1 in hexadecimal format from the 40 characters | |
781 | * starting at hex. Write the 20-byte result to sha1 in binary form. | |
782 | * Return 0 on success. Reading stops if a NUL is encountered in the | |
783 | * input, so it is safe to pass this function an arbitrary | |
784 | * null-terminated string. | |
785 | */ | |
197ee8c9 | 786 | extern int get_sha1_hex(const char *hex, unsigned char *sha1); |
d4e85a1a | 787 | |
197ee8c9 | 788 | extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */ |
dfefa935 | 789 | extern int read_ref_full(const char *refname, unsigned char *sha1, |
c6893323 | 790 | int reading, int *flags); |
dfefa935 | 791 | extern int read_ref(const char *refname, unsigned char *sha1); |
7cb36842 MH |
792 | |
793 | /* | |
794 | * Resolve a reference, recursively following symbolic refererences. | |
795 | * | |
796 | * Store the referred-to object's name in sha1 and return the name of | |
797 | * the non-symbolic reference that ultimately pointed at it. The | |
798 | * return value, if not NULL, is a pointer into either a static buffer | |
799 | * or the input ref. | |
800 | * | |
801 | * If the reference cannot be resolved to an object, the behavior | |
802 | * depends on the "reading" argument: | |
803 | * | |
804 | * - If reading is set, return NULL. | |
805 | * | |
806 | * - If reading is not set, clear sha1 and return the name of the last | |
807 | * reference name in the chain, which will either be a non-symbolic | |
808 | * reference or an undefined reference. If this is a prelude to | |
809 | * "writing" to the ref, the return value is the name of the ref | |
810 | * that will actually be created or changed. | |
811 | * | |
812 | * If flag is non-NULL, set the value that it points to the | |
813 | * combination of REF_ISPACKED (if the reference was found among the | |
814 | * packed references) and REF_ISSYMREF (if the initial reference was a | |
815 | * symbolic reference). | |
816 | * | |
817 | * If ref is not a properly-formatted, normalized reference, return | |
818 | * NULL. If more than MAXDEPTH recursive symbolic lookups are needed, | |
819 | * give up and return NULL. | |
820 | * | |
821 | * errno is sometimes set on errors, but not always. | |
822 | */ | |
8cad4744 | 823 | extern const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag); |
96ec7b1e | 824 | extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag); |
7cb36842 | 825 | |
e86eb666 | 826 | extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); |
eb3a4822 | 827 | extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); |
431b1969 | 828 | extern int interpret_branch_name(const char *str, struct strbuf *); |
619a644d | 829 | extern int get_sha1_mb(const char *str, unsigned char *sha1); |
e86eb666 | 830 | |
79803322 SP |
831 | extern int refname_match(const char *abbrev_name, const char *full_name, const char **rules); |
832 | extern const char *ref_rev_parse_rules[]; | |
dd621df9 | 833 | #define ref_fetch_rules ref_rev_parse_rules |
79803322 | 834 | |
8b5157e4 | 835 | extern int create_symref(const char *ref, const char *refs_heads_master, const char *logmsg); |
c847f537 | 836 | extern int validate_headref(const char *ref); |
e83c5163 | 837 | |
958ba6c9 | 838 | extern int base_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
0ab9e1e8 | 839 | extern int df_name_compare(const char *name1, int len1, int mode1, const char *name2, int len2, int mode2); |
79517a06 | 840 | extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); |
e83c5163 | 841 | |
40469ee9 | 842 | extern void *read_object_with_reference(const unsigned char *sha1, |
bf0f910d | 843 | const char *required_type, |
40469ee9 JH |
844 | unsigned long *size, |
845 | unsigned char *sha1_ret); | |
f4913f91 | 846 | |
81776315 JH |
847 | extern struct object *peel_to_type(const char *name, int namelen, |
848 | struct object *o, enum object_type); | |
849 | ||
73013afd JH |
850 | enum date_mode { |
851 | DATE_NORMAL = 0, | |
852 | DATE_RELATIVE, | |
853 | DATE_SHORT, | |
854 | DATE_LOCAL, | |
855 | DATE_ISO8601, | |
7dff9b30 LT |
856 | DATE_RFC2822, |
857 | DATE_RAW | |
73013afd JH |
858 | }; |
859 | ||
f8493ec0 | 860 | const char *show_date(unsigned long time, int timezone, enum date_mode mode); |
33012fc4 AR |
861 | const char *show_date_relative(unsigned long time, int tz, |
862 | const struct timeval *now, | |
863 | char *timebuf, | |
864 | size_t timebuf_size); | |
2a39064c | 865 | int parse_date(const char *date, char *buf, int bufsize); |
9644c061 | 866 | int parse_date_basic(const char *date, unsigned long *timestamp, int *offset); |
ecee9d9e | 867 | void datestamp(char *buf, int bufsize); |
93cfa7c7 JH |
868 | #define approxidate(s) approxidate_careful((s), NULL) |
869 | unsigned long approxidate_careful(const char *, int *); | |
33012fc4 | 870 | unsigned long approxidate_relative(const char *date, const struct timeval *now); |
856665f8 | 871 | enum date_mode parse_date_format(const char *format); |
ecee9d9e | 872 | |
774751a8 JH |
873 | #define IDENT_WARN_ON_NO_NAME 1 |
874 | #define IDENT_ERROR_ON_NO_NAME 2 | |
875 | #define IDENT_NO_DATE 4 | |
749be728 JH |
876 | extern const char *git_author_info(int); |
877 | extern const char *git_committer_info(int); | |
798123af | 878 | extern const char *fmt_ident(const char *name, const char *email, const char *date_str, int); |
d9ccfe77 | 879 | extern const char *fmt_name(const char *name, const char *email); |
44fcb497 | 880 | extern const char *git_editor(void); |
64778d24 | 881 | extern const char *git_pager(int stdout_is_tty); |
6aa33f40 | 882 | |
12dccc16 LT |
883 | struct checkout { |
884 | const char *base_dir; | |
885 | int base_dir_len; | |
886 | unsigned force:1, | |
887 | quiet:1, | |
888 | not_new:1, | |
889 | refresh_cache:1; | |
890 | }; | |
891 | ||
efbc5831 | 892 | extern int checkout_entry(struct cache_entry *ce, const struct checkout *state, char *topath); |
b9fd2846 LT |
893 | |
894 | struct cache_def { | |
895 | char path[PATH_MAX + 1]; | |
896 | int len; | |
897 | int flags; | |
898 | int track_flags; | |
899 | int prefix_len_stat_func; | |
900 | }; | |
901 | ||
57199892 | 902 | extern int has_symlink_leading_path(const char *name, int len); |
b9fd2846 | 903 | extern int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); |
f66caaf9 | 904 | extern int check_leading_path(const char *name, int len); |
15438d5a | 905 | extern int threaded_check_leading_path(struct cache_def *cache, const char *name, int len); |
57199892 | 906 | extern int has_dirs_only_path(const char *name, int len, int prefix_len); |
15438d5a | 907 | extern int threaded_has_dirs_only_path(struct cache_def *cache, const char *name, int len, int prefix_len); |
78478927 KB |
908 | extern void schedule_dir_for_removal(const char *name, int len); |
909 | extern void remove_scheduled_dirs(void); | |
12dccc16 | 910 | |
9a217f2a | 911 | extern struct alternate_object_database { |
d5a63b99 | 912 | struct alternate_object_database *next; |
9a217f2a | 913 | char *name; |
8f1d2e6f | 914 | char base[FLEX_ARRAY]; /* more */ |
d5a63b99 | 915 | } *alt_odb_list; |
9a217f2a | 916 | extern void prepare_alt_odb(void); |
bef70b22 | 917 | extern void add_to_alternates_file(const char *reference); |
d79796bc JH |
918 | typedef int alt_odb_fn(struct alternate_object_database *, void *); |
919 | extern void foreach_alt_odb(alt_odb_fn, void*); | |
9a217f2a | 920 | |
c41ee586 SP |
921 | struct pack_window { |
922 | struct pack_window *next; | |
923 | unsigned char *base; | |
924 | off_t offset; | |
925 | size_t len; | |
926 | unsigned int last_used; | |
927 | unsigned int inuse_cnt; | |
928 | }; | |
929 | ||
9a217f2a JH |
930 | extern struct packed_git { |
931 | struct packed_git *next; | |
c41ee586 | 932 | struct pack_window *windows; |
2dc3a234 | 933 | off_t pack_size; |
57059091 NP |
934 | const void *index_data; |
935 | size_t index_size; | |
936 | uint32_t num_objects; | |
8eca0b47 NP |
937 | uint32_t num_bad_objects; |
938 | unsigned char *bad_object_sha1; | |
42873078 | 939 | int index_version; |
57059091 | 940 | time_t mtime; |
9bc879c1 | 941 | int pack_fd; |
8d25931d | 942 | unsigned pack_local:1, |
d131b7af SP |
943 | pack_keep:1, |
944 | do_not_close:1; | |
bf592c50 | 945 | unsigned char sha1[20]; |
8f1d2e6f JH |
946 | /* something like ".git/objects/pack/xxxxx.pack" */ |
947 | char pack_name[FLEX_ARRAY]; /* more */ | |
9a217f2a | 948 | } *packed_git; |
f3bf9224 JH |
949 | |
950 | struct pack_entry { | |
c4001d92 | 951 | off_t offset; |
f3bf9224 JH |
952 | unsigned char sha1[20]; |
953 | struct packed_git *p; | |
954 | }; | |
955 | ||
d1c133f5 LT |
956 | struct ref { |
957 | struct ref *next; | |
958 | unsigned char old_sha1[20]; | |
959 | unsigned char new_sha1[20]; | |
be885d96 | 960 | char *symref; |
9f8a15c7 SP |
961 | unsigned int force:1, |
962 | merge:1, | |
963 | nonfastforward:1, | |
964 | deletion:1; | |
8736a848 JK |
965 | enum { |
966 | REF_STATUS_NONE = 0, | |
967 | REF_STATUS_OK, | |
968 | REF_STATUS_REJECT_NONFASTFORWARD, | |
969 | REF_STATUS_REJECT_NODELETE, | |
970 | REF_STATUS_UPTODATE, | |
ca74c458 | 971 | REF_STATUS_REMOTE_REJECT, |
4b05548f | 972 | REF_STATUS_EXPECTING_REPORT |
8736a848 | 973 | } status; |
2a0fe89a | 974 | char *remote_status; |
f88395ac | 975 | struct ref *peer_ref; /* when renaming */ |
8f1d2e6f | 976 | char name[FLEX_ARRAY]; /* more */ |
d1c133f5 LT |
977 | }; |
978 | ||
2718ff09 LT |
979 | #define REF_NORMAL (1u << 0) |
980 | #define REF_HEADS (1u << 1) | |
981 | #define REF_TAGS (1u << 2) | |
982 | ||
5483f799 | 983 | extern struct ref *find_ref_by_name(const struct ref *list, const char *name); |
cda69f48 | 984 | |
7841ce79 | 985 | #define CONNECT_VERBOSE (1u << 0) |
4577370e | 986 | extern struct child_process *git_connect(int fd[2], const char *url, const char *prog, int flags); |
98158e9c | 987 | extern int finish_connect(struct child_process *conn); |
7ffe853b | 988 | extern int git_connection_is_socket(struct child_process *conn); |
40c155ff JH |
989 | struct extra_have_objects { |
990 | int nr, alloc; | |
991 | unsigned char (*array)[20]; | |
992 | }; | |
afe7c5ff | 993 | extern struct ref **get_remote_heads(int in, struct ref **list, unsigned int flags, struct extra_have_objects *); |
211b5f9e | 994 | extern int server_supports(const char *feature); |
f47182c8 | 995 | extern const char *parse_feature_request(const char *features, const char *feature); |
f7192598 | 996 | |
7b64469a | 997 | extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path); |
bf592c50 | 998 | |
9a217f2a | 999 | extern void prepare_packed_git(void); |
fc04c412 | 1000 | extern void reprepare_packed_git(void); |
bf592c50 DB |
1001 | extern void install_packed_git(struct packed_git *pack); |
1002 | ||
a6080a0a | 1003 | extern struct packed_git *find_sha1_pack(const unsigned char *sha1, |
bf592c50 DB |
1004 | struct packed_git *packs); |
1005 | ||
276bc2ca | 1006 | extern void pack_report(void); |
d079837e | 1007 | extern int open_pack_index(struct packed_git *); |
fa5fc15d | 1008 | extern void close_pack_index(struct packed_git *); |
ef49a7a0 | 1009 | extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *); |
c9ced051 | 1010 | extern void close_pack_windows(struct packed_git *); |
03e79c88 | 1011 | extern void unuse_pack(struct pack_window **); |
c74faea1 | 1012 | extern void free_pack_by_name(const char *); |
3d20c636 | 1013 | extern void clear_delta_base_cache(void); |
42873078 | 1014 | extern struct packed_git *add_packed_git(const char *, int, int); |
d079837e | 1015 | extern const unsigned char *nth_packed_object_sha1(struct packed_git *, uint32_t); |
99093238 | 1016 | extern off_t nth_packed_object_offset(const struct packed_git *, uint32_t); |
c4001d92 | 1017 | extern off_t find_pack_entry_one(const unsigned char *, struct packed_git *); |
4c080182 | 1018 | extern int is_pack_valid(struct packed_git *); |
c4001d92 | 1019 | extern void *unpack_entry(struct packed_git *, off_t, enum object_type *, unsigned long *); |
09ded04b | 1020 | extern unsigned long unpack_object_header_buffer(const unsigned char *buf, unsigned long len, enum object_type *type, unsigned long *sizep); |
54dab52a | 1021 | extern unsigned long get_size_from_delta(struct packed_git *, struct pack_window **, off_t); |
f8c8abc5 | 1022 | extern int unpack_object_header(struct packed_git *, struct pack_window **, off_t *, unsigned long *); |
9a217f2a | 1023 | |
9a490590 JH |
1024 | struct object_info { |
1025 | /* Request */ | |
1026 | unsigned long *sizep; | |
1027 | ||
1028 | /* Response */ | |
1029 | enum { | |
1030 | OI_CACHED, | |
1031 | OI_LOOSE, | |
5266d369 JH |
1032 | OI_PACKED, |
1033 | OI_DBCACHED | |
9a490590 JH |
1034 | } whence; |
1035 | union { | |
1036 | /* | |
1037 | * struct { | |
1038 | * ... Nothing to expose in this case | |
1039 | * } cached; | |
1040 | * struct { | |
1041 | * ... Nothing to expose in this case | |
1042 | * } loose; | |
1043 | */ | |
1044 | struct { | |
1045 | struct packed_git *pack; | |
1046 | off_t offset; | |
1047 | unsigned int is_delta; | |
1048 | } packed; | |
1049 | } u; | |
1050 | }; | |
1051 | extern int sha1_object_info_extended(const unsigned char *, struct object_info *); | |
9a217f2a | 1052 | |
8f3f9b09 JH |
1053 | /* Dumb servers support */ |
1054 | extern int update_server_info(int); | |
1055 | ||
7a397419 MG |
1056 | /* git_config_parse_key() returns these negated: */ |
1057 | #define CONFIG_INVALID_KEY 1 | |
1058 | #define CONFIG_NO_SECTION_OR_NAME 2 | |
1059 | /* git_config_set(), git_config_set_multivar() return the above or these: */ | |
1060 | #define CONFIG_NO_LOCK -1 | |
1061 | #define CONFIG_INVALID_FILE 3 | |
1062 | #define CONFIG_NO_WRITE 4 | |
1063 | #define CONFIG_NOTHING_SET 5 | |
1064 | #define CONFIG_INVALID_PATTERN 6 | |
1065 | ||
ef90d6d4 JS |
1066 | typedef int (*config_fn_t)(const char *, const char *, void *); |
1067 | extern int git_default_config(const char *, const char *, void *); | |
1068 | extern int git_config_from_file(config_fn_t fn, const char *, void *); | |
2b64fc89 | 1069 | extern void git_config_push_parameter(const char *text); |
b3d83d9f | 1070 | extern int git_config_from_parameters(config_fn_t fn, void *data); |
ef90d6d4 | 1071 | extern int git_config(config_fn_t fn, void *); |
9b25a0b5 JK |
1072 | extern int git_config_with_options(config_fn_t fn, void *, |
1073 | const char *filename, int respect_includes); | |
dbdf5854 | 1074 | extern int git_config_early(config_fn_t fn, void *, const char *repo_config); |
0b87b6e0 | 1075 | extern int git_parse_ulong(const char *, unsigned long *); |
17712991 | 1076 | extern int git_config_int(const char *, const char *); |
0b87b6e0 | 1077 | extern unsigned long git_config_ulong(const char *, const char *); |
a53f2ec6 | 1078 | extern int git_config_bool_or_int(const char *, const char *, int *); |
17712991 | 1079 | extern int git_config_bool(const char *, const char *); |
8420ccd8 | 1080 | extern int git_config_maybe_bool(const char *, const char *); |
ea5105a5 | 1081 | extern int git_config_string(const char **, const char *, const char *); |
395de250 | 1082 | extern int git_config_pathname(const char **, const char *, const char *); |
5ec31182 | 1083 | extern int git_config_set_in_file(const char *, const char *, const char *); |
10bea152 | 1084 | extern int git_config_set(const char *, const char *); |
b09c53a3 | 1085 | extern int git_config_parse_key(const char *, char **, int *); |
4ddba79d | 1086 | extern int git_config_set_multivar(const char *, const char *, const char *, int); |
5ec31182 | 1087 | extern int git_config_set_multivar_in_file(const char *, const char *, const char *, const char *, int); |
0667fcfb | 1088 | extern int git_config_rename_section(const char *, const char *); |
42bd39b5 | 1089 | extern int git_config_rename_section_in_file(const char *, const char *, const char *); |
506b17b1 | 1090 | extern const char *git_etc_gitconfig(void); |
ef90d6d4 | 1091 | extern int check_repository_format_version(const char *var, const char *value, void *cb); |
0ef37164 | 1092 | extern int git_env_bool(const char *, int); |
ab88c363 | 1093 | extern int git_config_system(void); |
40ea4ed9 | 1094 | extern int config_error_nonbool(const char *); |
a6fa5992 PN |
1095 | extern const char *get_log_output_encoding(void); |
1096 | extern const char *get_commit_output_encoding(void); | |
1097 | ||
2496844b JK |
1098 | extern int git_config_parse_parameter(const char *, config_fn_t fn, void *data); |
1099 | ||
9b25a0b5 JK |
1100 | struct config_include_data { |
1101 | int depth; | |
1102 | config_fn_t fn; | |
1103 | void *data; | |
1104 | }; | |
1105 | #define CONFIG_INCLUDE_INIT { 0 } | |
1106 | extern int git_config_include(const char *name, const char *value, void *data); | |
17712991 | 1107 | |
e1b10391 LT |
1108 | #define MAX_GITNAME (1000) |
1109 | extern char git_default_email[MAX_GITNAME]; | |
1110 | extern char git_default_name[MAX_GITNAME]; | |
91c38a21 JH |
1111 | #define IDENT_NAME_GIVEN 01 |
1112 | #define IDENT_MAIL_GIVEN 02 | |
1113 | #define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) | |
bb1ae3f6 | 1114 | extern int user_ident_explicitly_given; |
5aeb3a3a | 1115 | extern int user_ident_sufficiently_given(void); |
e1b10391 | 1116 | |
1a8f2741 | 1117 | extern const char *git_commit_encoding; |
3a55602e | 1118 | extern const char *git_log_output_encoding; |
d551a488 | 1119 | extern const char *git_mailmap_file; |
4e72dcec | 1120 | |
06f59e9f TT |
1121 | /* IO helper functions */ |
1122 | extern void maybe_flush_or_die(FILE *, const char *); | |
f3123c4a | 1123 | extern int copy_fd(int ifd, int ofd); |
1468bd47 | 1124 | extern int copy_file(const char *dst, const char *src, int mode); |
f7835a25 | 1125 | extern int copy_file_with_time(const char *dst, const char *src, int mode); |
7230e6d0 | 1126 | extern void write_or_die(int fd, const void *buf, size_t count); |
6ce4e61f | 1127 | extern int write_or_whine(int fd, const void *buf, size_t count, const char *msg); |
e0814056 | 1128 | extern int write_or_whine_pipe(int fd, const void *buf, size_t count, const char *msg); |
4c81b03e | 1129 | extern void fsync_or_die(int fd, const char *); |
ad897215 | 1130 | |
2b7ca830 JM |
1131 | extern ssize_t read_in_full(int fd, void *buf, size_t count); |
1132 | extern ssize_t write_in_full(int fd, const void *buf, size_t count); | |
1133 | static inline ssize_t write_str_in_full(int fd, const char *str) | |
1134 | { | |
1135 | return write_in_full(fd, str, strlen(str)); | |
1136 | } | |
1137 | ||
f67b45f8 LT |
1138 | /* pager.c */ |
1139 | extern void setup_pager(void); | |
872da32d | 1140 | extern const char *pager_program; |
6e9af863 | 1141 | extern int pager_in_use(void); |
aa086eb8 | 1142 | extern int pager_use_color; |
ad6c3739 | 1143 | extern int term_columns(void); |
ec7ff5ba | 1144 | extern int decimal_width(int); |
f67b45f8 | 1145 | |
ee9601e6 | 1146 | extern const char *editor_program; |
d3e7da89 | 1147 | extern const char *askpass_program; |
dfb068be | 1148 | extern const char *excludes_file; |
4d87b9c5 | 1149 | |
051308f6 | 1150 | /* base85 */ |
f9815772 JM |
1151 | int decode_85(char *dst, const char *line, int linelen); |
1152 | void encode_85(char *buf, const unsigned char *data, int bytes); | |
051308f6 | 1153 | |
855419f7 | 1154 | /* alloc.c */ |
100c5f3b LT |
1155 | extern void *alloc_blob_node(void); |
1156 | extern void *alloc_tree_node(void); | |
1157 | extern void *alloc_commit_node(void); | |
1158 | extern void *alloc_tag_node(void); | |
1159 | extern void *alloc_object_node(void); | |
855419f7 LT |
1160 | extern void alloc_report(void); |
1161 | ||
6ce4e61f | 1162 | /* trace.c */ |
28bea9e5 | 1163 | __attribute__((format (printf, 1, 2))) |
6ce4e61f | 1164 | extern void trace_printf(const char *format, ...); |
06796607 | 1165 | extern void trace_vprintf(const char *key, const char *format, va_list ap); |
28bea9e5 | 1166 | __attribute__((format (printf, 2, 3))) |
b319ce4c | 1167 | extern void trace_argv_printf(const char **argv, const char *format, ...); |
a9ca8a85 | 1168 | extern void trace_repo_setup(const char *prefix); |
39bc5e46 | 1169 | extern int trace_want(const char *key); |
94b3b374 | 1170 | extern void trace_strbuf(const char *key, const struct strbuf *buf); |
6ce4e61f | 1171 | |
bbc30f99 | 1172 | void packet_trace_identity(const char *prog); |
6ce4e61f | 1173 | |
b6ec1d61 | 1174 | /* add */ |
7ae02a30 AR |
1175 | /* |
1176 | * return 0 if success, 1 - if addition of a file failed and | |
1177 | * ADD_FILES_IGNORE_ERRORS was specified in flags | |
1178 | */ | |
1179 | int add_files_to_cache(const char *prefix, const char **pathspec, int flags); | |
b6ec1d61 | 1180 | |
aecbf914 JH |
1181 | /* diff.c */ |
1182 | extern int diff_auto_refresh_index; | |
1183 | ||
68faf689 JH |
1184 | /* match-trees.c */ |
1185 | void shift_tree(const unsigned char *, const unsigned char *, unsigned char *, int); | |
85e51b78 | 1186 | void shift_tree_by(const unsigned char *, const unsigned char *, unsigned char *, const char *); |
68faf689 | 1187 | |
a9cc857a JH |
1188 | /* |
1189 | * whitespace rules. | |
1190 | * used by both diff and apply | |
f4b05a49 | 1191 | * last two digits are tab width |
a9cc857a | 1192 | */ |
f4b05a49 JS |
1193 | #define WS_BLANK_AT_EOL 0100 |
1194 | #define WS_SPACE_BEFORE_TAB 0200 | |
1195 | #define WS_INDENT_WITH_NON_TAB 0400 | |
1196 | #define WS_CR_AT_EOL 01000 | |
1197 | #define WS_BLANK_AT_EOF 02000 | |
1198 | #define WS_TAB_IN_INDENT 04000 | |
aeb84b05 | 1199 | #define WS_TRAILING_SPACE (WS_BLANK_AT_EOL|WS_BLANK_AT_EOF) |
f4b05a49 JS |
1200 | #define WS_DEFAULT_RULE (WS_TRAILING_SPACE|WS_SPACE_BEFORE_TAB|8) |
1201 | #define WS_TAB_WIDTH_MASK 077 | |
cf1b7869 JH |
1202 | extern unsigned whitespace_rule_cfg; |
1203 | extern unsigned whitespace_rule(const char *); | |
1204 | extern unsigned parse_whitespace_rule(const char *); | |
8f8841e9 JH |
1205 | extern unsigned ws_check(const char *line, int len, unsigned ws_rule); |
1206 | extern void ws_check_emit(const char *line, int len, unsigned ws_rule, FILE *stream, const char *set, const char *reset, const char *ws); | |
c1795bb0 | 1207 | extern char *whitespace_error_string(unsigned ws); |
d511bd33 | 1208 | extern void ws_fix_copy(struct strbuf *, const char *, int, unsigned, int *); |
877f23cc | 1209 | extern int ws_blank_line(const char *line, int len, unsigned ws_rule); |
f4b05a49 | 1210 | #define ws_tab_width(rule) ((rule) & WS_TAB_WIDTH_MASK) |
a9cc857a | 1211 | |
ee425e46 | 1212 | /* ls-files */ |
0f64bfa9 | 1213 | int report_path_error(const char *ps_matched, const char **pathspec, const char *prefix); |
ee425e46 JH |
1214 | void overlay_tree_on_cache(const char *tree_name, const char *prefix); |
1215 | ||
94351118 | 1216 | char *alias_lookup(const char *alias); |
0989fe96 | 1217 | int split_cmdline(char *cmdline, const char ***argv); |
ad9ac6db GB |
1218 | /* Takes a negative value returned by split_cmdline */ |
1219 | const char *split_cmdline_strerror(int cmdline_errno); | |
94351118 | 1220 | |
e37c1329 NTND |
1221 | /* git.c */ |
1222 | struct startup_info { | |
a60645f9 | 1223 | int have_repository; |
f07d6a1a | 1224 | const char *prefix; |
e37c1329 NTND |
1225 | }; |
1226 | extern struct startup_info *startup_info; | |
1227 | ||
cac42b26 JH |
1228 | /* builtin/merge.c */ |
1229 | int checkout_fast_forward(const unsigned char *from, const unsigned char *to); | |
1230 | ||
e83c5163 | 1231 | #endif /* CACHE_H */ |